<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="vue.js"></script>
	</head>

	<body>
		<div id="app">
			<input type="text" v-focus="true" />
		</div>

		<script>
			//注册根目录下的文本框进行鼠标定位
			Vue.directive('focus', {
				inserted(el, binding) {
					if(binding.value) {
						el.focus()
					}
				}
			})
			var vm = new Vue({
				el: "#app"
			})
		</script>
	</body>

</html>